CN210920139U - Right angle valve for fire control - Google Patents
Right angle valve for fire control Download PDFInfo
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- CN210920139U CN210920139U CN201922017593.3U CN201922017593U CN210920139U CN 210920139 U CN210920139 U CN 210920139U CN 201922017593 U CN201922017593 U CN 201922017593U CN 210920139 U CN210920139 U CN 210920139U
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Abstract
The utility model belongs to the technical field of the valve technique and specifically relates to a right angle valve is used in fire control, including having the valve case of adjusting the chamber, being located valve case upper end and top and being fixed with the regulation core valve of adjusting the knob, have on the valve case with adjust the inside intake opening and the apopore that communicate mutually of chamber. The utility model discloses a right angle valve for fire control is through the top regulation mouth that is equipped with built-in top disk seat in valve case upper end, is provided with the valve rod that the bottom has flexible check case inside the disk seat of top, makes the control mode of angle valve more various through flexible check case for the angle valve reaches the effect that elasticity is contrary through built-in extrusion spring cooperation valve core dish, avoids the inside liquid reflux of valve body, and the control can reduce the stroke of opening when water pressure is great through the elasticity of built-in extrusion spring.
Description
Technical Field
The utility model belongs to the technical field of the valve technique and specifically relates to a right angle valve is used in fire control.
Background
The angle valve for fire fighting is an angle type stop valve, is similar to a ball valve, and has the structure and characteristics modified from the ball type valve. The difference from a globe valve is that the outlet of the angle valve is at a 90 degree right angle to the inlet. The angle valve is also called triangle valve, angle valve, and angle water valve. This is because the pipe has a 90-degree corner shape at the angle valve, and is called an angle valve, or a dog-leg water valve. Traditional angle valve for fire control passes through the handle rotation control flow size in the use, and operating means is simple, but the single limitation of control mode, can't avoid the interior water body backward flow of valve as required moreover, and the stroke of opening simultaneously and closing is great.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: in order to solve the problems existing in the background technology, the improved fire-fighting right-angle valve is provided, the problem that the flow is controlled through the rotation of the handle in the using process of the traditional fire-fighting right-angle valve is solved, the operation mode is simple, the control mode is single and limited, the backflow of water in the valve cannot be avoided as required, and the stroke of opening and closing is large is solved.
The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a right angle valve for fire control, is fixed with the regulation core valve of adjusting the knob including the valve casing that has the regulation chamber, be located valve casing upper end and top, the valve casing on have with the inside inlet opening and the apopore that communicates of regulation chamber, valve casing upper end be equipped with the top and adjust the mouth, the inside welded fastening of top regulation mouth has the top disk seat of built-in valve rod, valve rod sliding connection have the flexible check valve core that is used for closed inlet opening.
Further, for the convenience of rebounding and stopping, the lower end of the valve rod is provided with a bottom telescopic blind hole, the telescopic check valve core comprises a top telescopic assembly rod, a valve core disc and a built-in extrusion spring, the top telescopic assembly rod is inserted into the bottom telescopic blind hole from the top, the valve core disc is fixed at the lower end of the top telescopic assembly rod, the built-in extrusion spring is fixed at the top of the top telescopic assembly rod and connected with the top surface of the bottom telescopic blind hole, an annular inner limiting groove is formed in the inner side surface of the bottom telescopic blind hole, the top end of the top telescopic assembly rod is provided with a top limiting disc matched with the annular inner limiting groove, and the top telescopic assembly rod is inserted into the.
Furthermore, in order to improve the sealing performance and the guiding performance, the lower surface of the top valve seat is positioned outside the valve rod and is fixedly connected with an integral bottom guiding pipe protruding downwards.
Furthermore, in order to improve the sealing performance, an inner sealing groove matched with the valve core disc is formed in the opening position, located at the upper end of the water inlet hole, of the inner bottom surface of the valve shell, and the thickness of the valve core disc is gradually reduced from the center to the edge.
Furthermore, in order to improve stability and sealing performance, no gap exists between the outer side surface of the top limiting disc and the inner side connecting surface of the annular inner limiting groove.
Further, in order to improve the guiding stability, the upper surface of the top valve seat is fixedly connected with an integral structure top guide pipe protruding upwards on the outer side of the valve rod.
The beneficial effects of the utility model are that, the utility model discloses a right angle valve for fire control is through the top regulation mouth that is equipped with built-in top disk seat in valve case upper end, has the valve rod of flexible check valve core in the inside bottom that is provided with of top disk seat, makes the control mode of angle valve more various through flexible check valve core for the angle valve reaches the effect that elasticity is contrary through built-in extrusion spring cooperation disk core, avoids the inside liquid reflux of valve body, and the stroke is opened in the great time reducing of water pressure to control elasticity that can pass through built-in extrusion spring.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a partial schematic view of the middle retractable check valve core of the present invention.
In the drawing, the valve comprises a valve shell 1, an adjusting knob 2, an adjusting core valve 3, a water inlet hole 4, a water outlet hole 5, a top adjusting opening 6, a top adjusting opening 7, a valve rod 8, a top valve seat 9, a bottom telescopic blind hole 10, a top telescopic assembling rod 11, a valve core disc 12, an internal extrusion spring 13, an annular internal limiting groove 14, a top limiting disc 15, a bottom guide pipe 16, an internal sealing groove 17 and a top guide pipe.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.
The right angle valve for fire control shown in fig. 1 and 2 comprises a valve shell 1 with an adjusting cavity, an adjusting core valve 3 which is located at the upper end of the valve shell 1 and is fixed with an adjusting knob 2 at the top, a water inlet hole 4 and a water outlet hole 5 which are communicated with the inside of the adjusting cavity are formed in the valve shell 1, a top adjusting opening 6 is formed in the upper end of the valve shell 1, a top valve seat 8 with a built-in valve rod 7 is welded and fixed inside the top adjusting opening 6, and the valve rod 7 is connected with a telescopic check valve core used for closing the water inlet hole 4 in a sliding mode.
When adjusting to revolve 2 and drive valve rod 7 rotatoryly, valve rod 7 drives and adjusts case 3 and flexible check case and goes up and down, and when water pressure is less, the flow of inlet opening 4 is controlled according to the elasticity of inside spring, can promote the leakproofness of valve rod 7 link through the extrusion force of spring moreover, can be sealed at the automatic elasticity when water pressure diminishes simultaneously, prevents the backward flow, automatic elastic compression pressure release when water pressure is too big, promote the security of angle valve.
Furthermore, in order to facilitate rebound check, the lower end of the valve rod 7 is provided with a bottom telescopic blind hole 9, the telescopic check valve core comprises a top telescopic assembly rod 10 with the top inserted in the bottom telescopic blind hole 9, a valve core disc 11 fixed at the lower end of the top telescopic assembly rod 10 and a built-in extrusion spring 12 fixed at the top of the top telescopic assembly rod 10 and connected with the inner top surface of the bottom telescopic blind hole 9, the inner side surface of the bottom telescopic blind hole 9 is provided with an annular inner limiting groove 13, the top end of the top telescopic assembly rod 10 is provided with a top limiting disc 14 matched with the annular inner limiting groove 13, the top telescopic assembly rod 10 is inserted in the annular inner limiting groove 13 through the top limiting disc 14 and is in sliding connection with the lower end of the valve rod 7, further, in order to improve the sealing performance and the guiding performance, the lower surface of the top valve seat, furthermore, in order to improve the sealing performance, an inner sealing groove 16 matched with the valve core disc 11 is arranged at the opening position of the inner bottom surface of the valve shell 1, which is positioned at the upper end of the water inlet hole 4, the thickness of the valve core disc 11 is gradually reduced from the center to the edge, further, in order to improve the stability and the sealing performance, no gap is arranged between the outer side surface of the top limiting disc 14 and the inner side connecting surface of the annular inner limiting groove 13, further, in order to improve the guiding stability, an integral structure top guide pipe 17 which is upwards protruded is fixedly connected to the outer side of the valve rod 7 on the upper surface of the top valve seat 8, the right angle valve for fire fighting of the utility model has the advantages that the top adjusting port 6 internally provided with the top valve seat 8 is arranged at the upper end of the valve shell 1, the valve rod 7 with the telescopic check valve core is arranged at the bottom part inside the top valve seat 8, the control mode of the angle valve, the liquid backflow in the valve body is avoided, and the opening stroke can be shortened under the condition of high water pressure through the elasticity of the built-in extrusion spring 12.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (6)
1. The utility model provides a right angle valve for fire control, is fixed with regulation core valve (3) of adjusting knob (2) including valve case (1) that have the regulation chamber, be located valve case (1) upper end and top, characterized by: the valve shell (1) is provided with a water inlet hole (4) and a water outlet hole (5) which are communicated with the interior of the adjusting cavity, the upper end of the valve shell (1) is provided with a top adjusting opening (6), a top valve seat (8) of a built-in valve rod (7) is welded and fixed in the top adjusting opening (6), and the valve rod (7) is connected with a telescopic check valve core used for closing the water inlet hole (4) in a sliding mode.
2. A fire fighting right angle valve as defined in claim 1, wherein: the telescopic check valve is characterized in that a bottom telescopic blind hole (9) is formed in the lower end of the valve rod (7), the telescopic check valve core comprises a top telescopic assembly rod (10) inserted into the bottom telescopic blind hole (9) from the top, a valve core disc (11) fixed at the lower end of the top telescopic assembly rod (10) and a built-in extrusion spring (12) fixed at the top of the top telescopic assembly rod (10) and connected with the inner top surface of the bottom telescopic blind hole (9), an annular inner limiting groove (13) is formed in the inner side surface of the bottom telescopic blind hole (9), a top limiting disc (14) matched with the annular inner limiting groove (13) is arranged at the top end of the top telescopic assembly rod (10), and the top telescopic assembly rod (10) is inserted into the annular inner limiting groove (13) through the top limiting disc (14) and is connected with the lower end of.
3. A fire fighting right angle valve as defined in claim 1, wherein: the lower surface of the top valve seat (8) is positioned outside the valve rod (7) and is fixedly connected with an integral structure bottom guide pipe (15) protruding downwards.
4. A fire fighting right angle valve as defined in claim 1, wherein: the valve shell (1) is characterized in that an inner sealing groove (16) matched with the valve core disc (11) is formed in the opening position of the upper end of the water inlet hole (4) on the inner bottom surface, and the thickness of the valve core disc (11) is gradually reduced from the center to the edge.
5. A fire fighting right angle valve as defined in claim 2, wherein: and no gap exists between the outer side surface of the top limiting disc (14) and the inner side connecting surface of the annular inner limiting groove (13).
6. A fire fighting right angle valve as defined in claim 1, wherein: the upper surface of the top valve seat (8) is positioned outside the valve rod (7) and is fixedly connected with an integral structure top guide pipe (17) which protrudes upwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922017593.3U CN210920139U (en) | 2019-11-20 | 2019-11-20 | Right angle valve for fire control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922017593.3U CN210920139U (en) | 2019-11-20 | 2019-11-20 | Right angle valve for fire control |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210920139U true CN210920139U (en) | 2020-07-03 |
Family
ID=71350690
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922017593.3U Active CN210920139U (en) | 2019-11-20 | 2019-11-20 | Right angle valve for fire control |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210920139U (en) |
-
2019
- 2019-11-20 CN CN201922017593.3U patent/CN210920139U/en active Active
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